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ELNA easy cover User Manual

ELNA easy cover
21 pages
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SERVICE MANUAL
MODEL: easy cover
First Edition: 24 July 2015
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ELNA easy cover Specifications

General IconGeneral
BrandELNA
Modeleasy cover
CategorySewing Machine
LanguageEnglish

Summary

Replacing the External Parts

Belt Cover

Procedures for removing and attaching the belt cover using setscrews.

Looper Cover

Procedures for removing and attaching the looper cover, including hinge attachment.

Rear Cover

Steps to remove and attach the rear cover by manipulating a handle and setscrews.

Front Cover

Steps to remove and attach the front cover after other covers are removed.

Free Arm Cover

Instructions for removing and attaching the free arm cover using setscrews.

Mechanical Adjustment

Presser Bar Height

Adjust the distance between the presser foot and needle plate to 4.7-5.3 mm.

Foot Pressure

Set the pressure adjusting screw to protrude 10 mm from the top of the machine.

Needle Bar Height

Adjust the needle bar height to achieve 7.8-8.2 mm clearance.

Feed Dog Height

Set the feed dog height to 0.75-0.95 mm above the needle plate.

Looper Height

Adjust the looper point height to be between 72.6–73.0 mm.

Looper Position

Set the distance between looper point and right needle center to 1.8-2.2 mm.

Needle to Looper Timing

Time the needle and looper so the needle bar rises 1.3-1.5 mm from lowest position.

Clearance between the Needle and Looper

Ensure 0-0.05 mm clearance between the looper point and needle scarf.

Back Needle Guard Height

Set back needle guard height 2.6-3.0 mm below the looper point lower edge.

Needle to Feed Dogs Timing

Time the needle and feed dogs for 2.9-3.1 mm needle point height.

Stitch Length

Adjust stitch length to 30-32 mm for 10 stitches.

Differential Feed Ratio

Adjust differential feed ratio for uniform feed dog movement.

Thread Tension

Set tension for left, center, right needle and looper threads.

Motor

Procedures for motor replacement and belt tension adjustment.

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